The key to cc of any forearm is body habitus. Work your pecs and abs until a loose fitting shirt conceals everything below your chest. voila! easy cc! Seriously though, I carry a FS M&P with no problem. I second the apex trigger kit.
CrossBreed SuperTuck Deluxe Inside the Waistband Holster Right Hand
Phantom Light Compatible Holster
Inside Waistband Holsters - products new home - Infidel Ultra
THIS
But in all seriousness, gonna go on my medical rant. Getting into shape is both healthy for you, makes you feel better, gives you a better sex life, AND lets you conceal a gun easier.
So many benefits.
Rant over.